Event Number 1609

M3.6 m NW of The Geysers, CA at 2018/07/26 01:38:22 UTC / 2018/07/26 01:38:22 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 52.5km (32.6mi)
HYPO2K = 34.6km (21.5mi) Magnitude = 0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/07/26 01:38:22  38.826 -122.807  M3.6   2.3 7km NW of The Geysers, CA

EQPROC Summary:

1609 2018Jul26  138 30.70  38.4077 -122.5268  8.00 0.11 42.4111.2 330  4
ADUB1 SHZ PN 01 2018Jul26  138 52.49 P U0 137.7   0.00
B058  EHZ PB -- 2018Jul26  138 59.13 P U1 197.2  -0.94
B057  EHZ PB -- 2018Jul26  138 38.58 P U0  42.4   0.01
B054  EHZ PB -- 2018Jul26  138 42.79 P ?3  67.3   0.01

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-07-26  0138 22.56  38 52.85  122W24.60   7.97  0.21 17.94  5.88        3.31  3.31E    7.97
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    4    4  95.7  Emb  333   7   3   4   0   4      -                          3  0.12 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T DEPDAT NS ZT TYP
                                                     3.31      3  0.12 E      1  1  M CRH
 REGION=                          

 STA NET COM L CR DIST AZM  AN P/S WT   SEC (TOBS -TCAL -DLY  =RES)  WT   SR  INFO  CAL  DUR-W-FMAG-T -AMP-U-PER-W-XMAG-T DE
 B057 PB EHZ -- A 95.7 189  93  PU    38.58 16.02 16.06 0.00 -0.04  1.33  W  1.000 0.00 57.0   3.19 E                        
 B054 PB EHZ -- A114.8 170  93  P  3  42.79 20.23 19.15 0.00  1.08* 0.33  W  0.999 0.00 63.0   3.31 E                        
 ADUB1PN SHZ 01 A185.2 168  48  PU    52.49 29.93 29.80 0.00  0.13  1.33  W  0.999 0.00 92.0   3.75 E                        
 B058 PB EHZ -- A242.3 162  48  PU 1  59.13 36.57 36.78 0.00 -0.21  1.00  W  0.999 0.00 3.00 4 0.52XE                        

Event Files: July 2018